An increase in gigabytes manufacturing costs will be passed on to its users soon, according to the board channel forums you can expect an increase of 16 - 78 dollars more per card.
For more information check out the article on VideoCardz https://videocardz.com/newz/gigabyte-graphics-card-factory-reportedly-increases-radeon-rx-6000-pricing-by-up-to-6-in-december